For reference have a look at the % price difference for other book sellers, like O'Reilly: http://shop.oreilly.com/product/9780596802363.do

I'd be selling it for $24 for Ebook (and make it available in PDF/Epub/Mobi to cover all readers), $29 for print, $32 for Print + Ebook.

http://www.amazon.com/Data-Analysis-Open-Source-Tools/dp/059...

Looking for the same thing, came across these big data bibliographies/howto which have been helpful:

http://www.amazon.com/Big-Data-Bibliography-ebook/dp/B005QH2...

http://www.amazon.com/Data-Analysis-Open-Source-Tools/dp/059...

Also stats in a nutshell is a good reference: http://www.amazon.com/Statistics-Nutshell-Desktop-Reference-...

Lastly, little bit of discussion going on over at stackoverflow: http://stackoverflow.com/questions/190201/statistics-book-re...

The table of contents is now available on the book's catalog page (http://oreilly.com/catalog/9780596802356/), and you can view the table of contents and preview snippets of the content on Safari (http://my.safaribooksonline.com/9781449389802?portal=oreilly...).